Home / 190,948.93-285,987.09-91,179

Finding the Fourth Proportional to 190,948.93, 285,987.09 and 91,179

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Solution

The fourth proportional to 190,948.93, 285,987.09 and 91,179 is: 136,560.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,948.93 : 285,987.09 = 91,179 : x
  2. Step 2: Convert to fraction form
    190,948.93/285,987.09 = 91,179/x
  3. Step 3: Cross multiply
    190,948.93x = 285,987.09 × 91,179
  4. Step 4: Simplify right side
    190,948.93x = 26,076,016,879.11
  5. Step 5: Solve for x
    x = 26,076,016,879.11/190,948.93
  6. Step 6: Final answer
    x = 136,560.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.